86H68J:H?P68?yD F:JHE=Hv<?86 9: B6I HE86I 9: B6 ?IB6 :IJ:L:I
Anuncio
G9EDGI9 89 75HD
Par+ Gjraopec+ ?hpk]j`ej+ /-.18 Tkh .3 L /7 .-4 * ../
?d[X^ % 8XRXT\QaT Wcc_2''fff&d]P_&TSd&_T'^dX'aXP' >HHC K&>2 *+(.%0-0* K&82 *+)+%*1-/
REV. INVES TIG. ALTO AND IN
75G57I9G>O57>xC E9IGD<Gu;>75 89 A5H GD75H 89 A5 >HA5 9HI9K9H
EJCD
Kecqah A]h_ej].)/)0 * Pkh]j`k ?l]v] A]ilko.)/)1
.
Bk_ajpa `a h] Co_qah] Nnkbaoekj]h `a Gjcajean] Eakh ce_] * /Sjeranoe`]` L]_ekj]h `ah ?hpelh]jk * 0iecqah+_]h_ej]>qj]l+a`q+la+ * 1nk_]ilko>qol+^n+
G9HJB9C
>C;DGB57>xC 89A 5GI>7JAD
?np+ Pa_e^e`k -5 `a M_pq^na /-.1
?np+ ?_alp]`k -2 `a Be_eai^na /-.1
EdQ[XRPS^2 /6 Be_eai^na `ah /-.1
E5A56G5H 7A5K92
' A]n]_panev]_e j
' lapnkcn]b] Goh] Coparao { Nqjk
5GI>7A9 >C;D
?npe_ha Pa_aera` M_pk^an -5) /-.1
?npe_ha ?__alpa` Ba_ai^an -2) /-.1
EdQ[XbWTS2Ba_ai^an /6) /-.1
@9N LDG8H2
' Ad]n]_panev]pekj
' lapnkcn]ldu Goh]j` Coparao * Nqjk
J] Goh] Coparao * Nqjk aop ailh]v]`k aj qj ^]o]iajpk nk_kok _kjopepqe`k lkn nk_]o oa`eiajp]ne]o jk
_h ope_]o u opk_g ejpnqoerk+ Ch lnkl oepk `ah lnaoajpa aopq`ek ao _]n]_panev]n h]o nk_]o lapnkcn be_]iajpa)
l]n] e`ajpebe_]n hko iejan]hao _kjopepquajpao u h]o nah]_ekjao patpqn]hao ajpna hko iejan]hao) l]n] oq
lkopanekn _h]oebe_]_e j oac j h]o jkiaj_h]pqn]o ejpanj]_ekj]hao+ Qa pki iqaopn]o nalnaoajp]per]o `a
pnao pelko `a nk_]o mqa ]bhkn]j aj h] vkj] `a aopq`ek7 _]hev]o) _]hev]o ]hpan]`]o u nk_] ejpnqoer] l]n]
]j heoeo ie_nko_ le_k aj ah h]^kn]pknek a e`ajpebe_]_e j `a hko iejan]hao mqa h]o _kilkjaj) hko _q]hao
bqankj `ao_nepko oac j oqo _]n]_panope_]o boe_]o) iknbkh ce_]o %bkni]) d]^epk) _her]fa) bn]_pqn]) vkj]_e j)
i]_h]o& u lpe_]o %_khkn) lhak_nkoik) naheara) atpej_e j) _khkn `a ejpanbanaj_e]& ]o) _kik h]o patpqn]o u
ie_nkpatpqn]o+ Akj hko naoqhp]`ko `ah ]j heoeo ik`]h oa `apaniej ah pelk `a nk_] ejpnqoer] _kik7 _q]nvk
ikjvk`eknep] ]jbe^kh `a patpqn] lknb`e_]) _kj qj] iejan]hkc] `a _q]nvk bejk) bah`aol]pko u lh]cek_h]o]o
]hpan]`]o ] oane_ep]o8 ]jb^khao ]hpan]`ko ] _hknep]o u ale`kp]o _kj lnaoaj_e] `a iejan]hao kl]_ko+ J]o
nk_]o _]n^kj]p]`]o okj `a _kilkoe_e j iq`opkja `a patpqn] ie_npe_] _kj rajehh]o `a _]h_ep]+ J]o nk_]o
iap]oa`eiajp]ne]o okj `a _kilkoe_e j l]_gopkja `a patpqn] cn]jkoklknp]`k `a j]pqn]hav] og]nj+
Paola_pk ] h] _kilkoe_e j `ah ejpnqoerk aopa bqa knecej]`k lkn qj i]ci]peoik _]h_k]h_]hejk ajnemqa_e`]
aj ahaiajpko rkh pehao _kik ]vqbna) deannk+
E9IGD<G5E=>7 7=5G57I9G>O5I>DC D; I=9 GD7@H D; I=9 >HA5C8 9HI9K9H Ed]^
56HIG57I
Rda Goh]j` Coparao * Nqjk eo hk_]pa` kj pda ^a`nk_g kbjkp oa`eiajp]nu _h]ope_ ]j` ejpnqoera opk_g nk_go+
Rda lqnlkoa kb pdeo opq`u eo pk _d]n]_paneva pda nk_go lapnkcn]lde_]hhu) pk e`ajpebu pda _kjopepqajp iejan]ho
]j` pda patpqn]h nah]pekj ^apsaaj pdai) bkn oq^oamqajp _h]ooebe_]pekj ]__kn`ejc pk ejpanj]pekj]h
jkiaj_h]pqnao+ Palnaoajp]pera o]ilhao kb pdnaa pulao kb nk_go atlkoa` ej pda opq`u ]na] s]o p]gaj7
heiaopkjao) ]hpana` heiaopkjao ]j` ejpnqoera nk_g bkn ie_nko_kle_ h]^kn]pknu ]j]huoeo ]j` e`ajpebe_]pekj kb
iejan]ho pd]p _kilkoa pdai) sde_d sana `ao_ne^a` ]__kn`ejc pk pdaen lduoe_]h) iknldkhkce_]h %od]la)
d]^ep) _ha]r]ca) bn]_pqna) vkjejc) psejjejc& ]j` klpe_]h _d]n]_paneope_o %_khkn) lhak_dnkeoi) naheab) atpej_pekj)
ejpanbanaj_a _khkn&) ]o sahh ]o patpqnao ]j` ie_nkpatpqnao+ Uepd pda naoqhpo kb ik`]h ]j]huoeo) pda pula kb
ejpnqoera nk_g s]o `apanieja` ]o ]ilde^kha mq]npv ikjvk`eknepa lknldunepe_ patpqna) sepd ] iejan]hkcu kb
beja mq]npv) bah`ol]no ]j` lh]cek_h]oa ]hpana` pk oane_epa8 ]ilde^kha ]hpana` pk _dhknepa ]j` ale`kpa) sepd
lnaoaj_a kb kl]mqa iejan]ho+ A]n^kj]pa nk_go lnaoajp ] _kilkoepekj kb ie_nepe_ patpqna iq`opkja sepd
_]h_epa raejo+ Kap]oe`eiajp]nu nk_go odks cn]jaoqllknpa` l]_gopkja _kilkoepekj kb og]nj j]pqna+
Pac]n`ejc pda _kilkoepekj kb pda ejpnqoera) pdeo s]o lnk`q_a` ^u ] _]h_*]hg]heja i]ci]peoi ajne_da` ej
rkh]peha ahaiajpo ]o oqhbqn) enkj+
DN^% <V^N[\RP% 3T\WJVMRV% )'(+2 HWT (- @ZW )1 ('. $ (()
('.
>TR`PW 4LWNTYL% CZWLYOZ2[LdL 4LX[Z^
>CIGD8J77>xC
J] Goh] Coparao) aop q^e_]`] aj ah J]ck Repe_]_] ] qj] `eop]j_e] `a
1 gi `ah _ajpnk `a h] _eq`]`+ J] eoh] ao _kjk_e`] lkn oqo naopko
]nmqakh ce_ko u lkn d]^an oanre`k _kik lnaoe`ek aj ah l]o]`k+ J]
Goh] Coparao aop ailh]v]`k aj qj ^]o]iajpk nk_kok _kjopepqe`k
lkn nk_]o oa`eiajp]ne]o a cja]o) _kj ah lnkl oepk `a e`ajpebe_]n ah
pelk `a nk_] oqnca h] ja_aoe`]` `a _]n]_panev]n lapnkcn be_]iajpa
e`ajpebe_]j`k hko iejan]hao lnaoajpao u h]o nah]_ekjao patpqn]hao
ajpna oqo _kjopepquajpao+ ?o _kik qj ]lknpa ]h _kjk_eieajpk `a
h]o _eaj_e]o cakh ce_]o+
iac]^na_d] %q kheopkopnkik& naoqhp]`k `a `aohev]ieajpk oq^i]nejk
`a cn]j ]ilhepq`+
Ch na] `ah ]bhkn]ieajpk `a _]hev]o aj h] Goh] Coparao bkni] l]npa
`a h]o vkj]o b]_e]hao /QC oac j h] vkjebe_]_e j na]hev]`] lkn A]hhkp)
ap ]h+) %/--3& `kj`a h] bkni]_e j ?u]^]_]o peaja qj cn]j aolaokn+
Copnq_pqn]hiajpa lnaoajp]j ^]j_ko `a _]hev]o ^qanpaiajpa
lhac]`]o _kj ^qv]ieajpk ranpe_]h aj h] l]npa oqn `a h] eoh]) %Dec+
L .&+ ieajpn]o p]jpk aj ah oa_pkn _ajpn]h u jknpa oa peaja rkh_]`k
_kj nqi^k Q/2U+
Fig
ig 1: carbonato
Fig. 2: Intrusivo
Beranoko aopq`eko lapnkh ce_ko) iejan]h ce_ko) cakmqie_ko u
cak_nkjkh ce_ko `ahi]ci]peoik aj ah ]hpelh]jk oqn lanq]jk narah]j
qj] r]nea`]` `a nk_]o `a _kilkoe_ekjao mqie_]o `eopejp]o _kik
nk_]o `a _kilkoe_e j _]h_k ]h_]hej]o _e`]o lan]hqiejko]o+ J]
r]nea`]`) `eopne^q_e j aol]_e]h u k_qnnaj_e] `a aopko i]ci]o
eilhe_]j mqa h] hep oban] `a^]fk `a hko ?j`ao `ah Qqn `ah Nan aop
_kjopepqe`] lkn ] qj iko]e_k `a ^hkmqao hepkob ne_ko `a `ebanajpao
kncajao8 _qu] k_qnnaj_e] aj h] oqlanbe_ea ao aj `emqao) opk_go)
`kiko) ap_+ %A]nhean E+) ap ]h+ /-./&+
G^RPb >]cadbXePb |V]TPb
J]o nk_]o oa`eiajp]ne]o oa oq^`ere`aj aj _h ope_]o u jk _h ope_]o8
h] oa_qaj_e] jk _h ope_] aop _kjopepqe`] lkn nk_]o _]n^kj]p]`]o
`ajkiej]`]o bkni]_e j ?u]^]_]o) h] _q]h lnaoajp] _]n]_panope_]o
iqu la _qhe]nao) _kik oq ieoi] _kilko e_e j _] pe_] aj
iac]^hkmqao u ^na_debe_]`k) mqa hk d]_aj qj ^qaj jerah cq] aj
l]npa `ah _nap _ak ]hpelh je_k %Qailana ap ]h /---^) H+ Q j_dav) W+)
ap ]h) /--1&+
Jko k^faperko `a h] _]n]_panev]_e j lapnkcn be_] ao e`ajpebe_]n hko
iejan]hao lnaoajpao u h]o nah]_ekjao patpqn]hao ajpna oqo
_kjopepquajpao `a h]o nk_]o cja]o u iap]oa`eiajp]ne]o ^]fk ah
ie_nko_klek lkh]nev]jpa aj hqv pn]joiepe`]+ Ch aopq`ek `a ie_nko_kle]
lpe_] _kjoeopa aj `apaniej]n h]o _]n]_panope_]o boe_]o)iknbkh ce_]o
%bkni]) d]^epk) _her]fa) bn]_pqn]) vkj]_e j) i]_h]o& u lpe_]o %_khkn)
lhak_nkoik) naheara) atpej_e j) _khkn `a ejpanbanaj_e] %P]epd ap ]h+)
/-./& `a hko iejan]hao _kjopepquajpao lkn ]j heoeo ik`]h l]n]
_h]oebe_]nhk oac j h]o jkiaj_h]pqn]o ejpanj]_ekj]hao+
BvID8DH N B5I9G>5A9H
N]n] h] _]n]_panev]_e j lapnkiejan]h ce_]) oa d] pki]`k iqaopn]o
`a i]jk l]n] `ao_ne^en i]_nko_ le_]iajpa h]o lnklea`]`ao boe_]o
u oq lkopanekn aopq`ek aj oa__ekjao `ahc]`]o _kj ie_nko_klek
lkh]nev]jpa pnejk_qh]n BKN 42- { Jau_]) amqel]`] _kj re`ak_ i]n]
u okbps]na J?Q CX l]n] ah lnk_ao]ieajpk `a bkpkie_nkcn]b]o8 `kj`a
oa _q]jpebe_ hko iejan]hao a oaj_e]hao ] pn]r o `a hja]o
pn]jorano]hao `a h] oa__e j `ahc]`]) h] `eop]j_e] pkp]h at]iej]`]
]h en _nqv]j`k hko cn]jko `a _]`] aola_ea iejan]h k cnqlk bqa ha`]
`ena_p]iajpa u ]jkp]`] l]n] oq _q]jpebe_]_e j ik`]h+
Cj ah oaciajpk jknpa `a h] Goh] Coparao oa peaja qj ]bhkn]ieajpk `a
nk_]o cja]o `a cn]jqhkiapn] ia`e] ] bej] `a iejan]hao b hoe_ko
_kik _q]nvk) bah`aol]pko lh]cek_h]o]) iejan]hao bannki]cjaoe]jko
u oqhbqnko) aj oqlanbe_ea iapaknev]`] lnaoajp] `e]_h]o]ieajpk
aobanke`]h %Dec+ L /&+ Copa ejpnqoerk ao ]pne^qe`k ]h _ajkvke_k u
_kjpeaja oqbe_eajpa bah`aol]pk lkp oe_k l]n] oan _h]oebe_]`k _kik
ikjvk`eknep]) oq k_qnnaj_e] aj h] eoh] Coparao l]na_a aop]n
ejpnquaj`k ] h]o _]hev]o `a h] bkni]_e j ?u]^]_]o+ %Ihejg) ap ]h+)
.660&+ Ch ejpnqoerk aj ah _kjp]_pk _kj ah l]mqapa `a ]bhkn]ieajpk `a
_]hev]o ?u]^]_]o peaja qj nqi^k L2 U+
G9HJAI58DH
G^RP b RPaQ^ ]PcPb S T [P U^ a\PRX~] 5hPQPR Pb&%
K]_nko_ le_]iajpa h]o _]hev]o lnaoajp] qj _khkn cneo ]vqh]`k ]
l]n`k _kj patpqn] ]b]jpe_]8 h] cn]jqhkiapn] ao bej]) ah cn]`k `a
_kdaoe j ^qaj] ]heil]_pk) na]__ekjao ]h _e`k _hknd`ne_k ao ^qaj])
h] iejan]hkc] ao _]n^kj]pko _kj l]pej]o `a deannk `a ]ola_pk
]^ec]nn]`k %Dec+ L 0&+
@]fk ah ie_nko_klek lnaoajp] qj] patpqn] ie_npe_] _quk p]i] k `a
hko cn]jko ao iajkn ] 2 ie_n]o) hko _kilkjajpao iejan]h ce_ko
okj7 A]n^kj]pko 3-#) _]h_ep] aj rajehh]o /-#) ]n_ehh]o .-#) `apnepqo
`a _q]nvk cn]jqh]n 2#) kl]_ko 0#+ N]n] h] _h]oebe_]_e j oa d]
qpehev]`k h] p]^h] `a Dkhg %.63/&) _quk naoqhp]`k ao qj] ie_nep]
iq`opkja `a patpqn] oklknp]`] lkn h] i]pnev+ %?`]io) ap]h+) .664&)
%Dec+ L 1&+
Fig. 3: Muestra de mano
Fig. 4: Qz=cuarzo, Carb=carbonatos
G^RPb bTSX\T]cPaXPb ]^ R[zbcXRPb
J] iqaopn]o pki]`]o `a h] Goh] Coparao _knnaolkj`aj ] h] bkni]_e j
?u]^]_]o) aop] ao qj] qje`]` na oa`eiajp]`]) nacekj]hiajpa
lnaoajp]j qj atpajok ]bhkn]ieajpk aj qj] oqlanbe_ea i]ukn ] 2--- gi/ aj ah ]hpelh]jk u l]npa `a h] _kn`ehhan] kneajp]h `ah oqn `ah
Nan + %A]hhkp) ap ]h+) /--3& ah knecaj `a h]o _]hev]o) ao qj]
('/
DN^% <V^N[\RP% 3T\WJVMRV% )'(+2 HWT (- @ZW )1 ('. $ (()
42C24E6C;K24;p? A6EC@8Cm7;42 56 =2D C@42D 56 =2 ;D=2 6DE6G6D AF?@
G^RPb \TcPRP[XiPb P[cTaPSPb&% Cj iqaopn] `a i]jk lnaoajp] qj
_khkn i]nn j ^h]jmqaoejk _kj patpqn] ]b]jpe_] k i]_ev] _kj
^]j`a]ieajpko bannqcejkoko) h] cn]jqhkiapn] ao bej]) ah cn]`k `a
_kdaoe j ^qaj]) h] na]__e j ]h _e`k _hknd`ne_k ao bqanpa+ Akik
iejan]hao lnaoajp] h] _]h_ep] %na_neop]hev]`]& _kj l pej]o `a deannk+
%Dec+ L 2&+
@]fk ah ie_nko_klek oa k^oanr] qj] patpqn] cn]jqh]n aj iko]e_k ]
aol]npe_]) _kj qj] iejan]hkc] `a _]n^kj]pko 0-#) _]h_ep] 3-#)
_q]nvk 2#) kl]_ko 0#+ Jko cn]jko oa aj_qajpn]j okopaje`ko lkn
h] i]pnev cn]jkokopaje`k) kpn]o l]np_qh]o ]hkmqie_]o _kik _q]nvk
u kl]_ko+ Qa _h]oebe_] _kik cn]ejopkja %?`]io ap ]h+) .664&+
A]h_ep]7 Co qj iap]_]n^kj]pk _kjopepqe`k lkn iejan]hao `a _]h_ep])
`khkiep] b]jank_neop]hej]) ]hekpnkiknb] _quko bajk_neop]hao cn]jko
`a _]h_ep] okj oq^e`ekiknbko ] ]hkpnekiknbko `a ]ola_pk cn]jqh]n)
p]^qh]n lnaoajpa aj i]o]o `ajpnk `a qj] i]pnev bej] aol]nep]+ %Dec+
L 3&+
Aq]nvk7 Qa k^oanr]j lamqa ko cn]jko ]hekpnkiknbko ejpan_na_e`ko
_kj hko _]n^kj]pko8 h] ohe_a ao `a ^]fk naheara oa `eopejcqa lkn oq
]ola_pk heilek a ej]hpan]`k `a hko _]n^kj]pko8 oa aj_qajpn]
`eopne^qe`k iqu ]ha]pkne]iajpa aj h] h iej] aj qj lkn_ajp]fa iajkn
`ah 0#+
Ml]_ko7 Qa k^oanr]j lamqa ko cn]jko iajknao `a /# _kik
iejan]hao `a bkni]o oq^e`ekiknbko ] ]hkpnekiknbko `eopne^qe`ko aj
h] h iej]+
Fig. 5: Muestra de mano
Jko _kjopepquajpao iejan]h ce_ko lnaoajp]j qj] patpqn] cn]jq`]
ejpanope_e]h) lknb`e_]+ Ch _q]nvk oa lnaoajp] aj _neop]hao cn]jqh]nao
] ie_nkcn]jqh]nao _kj _kjpknjko ]jd `ne_ko `a ]ola_pk heilek8
ejpan_na_e`ko _kj h]o lh]cek_h]o]o u bah`aol]pko+
Jko bah`aol]pko oa lnaoajp]j bajk_neop]hao p]^qh]nao lh]j]nao u
lneoi pe_ko `a bkni]o oq^e`ekiknbko ] ]hekpnkiknbko ejpan_na_e`ko
_kj _q]nvk+ J]o lh]cek_h]o]o lnaoajp]j bajk_neop]hao `a d ^epk
p]^qh]n _kj bkni]o oq^e`ekiknb]o ] ]hekpnkiknb]o) vkj]`]o u _kj
i]_h]o lkheoejp pe_ko) ]hpan]`]o l]n] oane_ep] u al`kp]+ %Deco+ L 4
u 6&+
Jko ]jb^khao) okj `a bkni]o oq^e`ekiknb]o ] ]hekpnkiknb]o
_khqij]nao) aj je_khao l]n]hahko okj `a _khkn cneo ran`a]`k
haraiajpa lhak_nke_k %Dec+ L 5&+ Jko ]jb^khao okj iejan]hao
bannki]cjaoe]jko de`n]p]`ko u k_qnnaj aj h] i]ukn] `a h]o nk_]o
cja]o lhqp je_]o u iap]i nbe_]o+ Qa aj_qajpn]j aj qj ]ilhek c]i]
`a nk_]o q hpn]^ oe_]o d]op] _e`]o u ]h_]hej]o ) lank okj
l]npe_qh]niajpa _kjopepquajpao _kiqjao a j hko ieai^nko
ejpania`eko `a h] oanea _]h_k]h_]hej]+ %Baan+ ap ]h) .660) Ihaej A+) $
Fqnh^qp) A+) .660&+ Nkn oq ]ola_pk be^nkok _khqij]n lkoe^haiajpa
oa]j pnaikhep]o ] ]_pejkhep]o+ Nnaoajp]j pn]v]o `a kl]_ko) aobaj]+
?hcqjko ]jb^khao aop j ]hpan]`ko l]n] _hknep]o `a^e`k ] oq
^ennabnejcaj_e] %Dec+ L 5&+
Fig. 7: Plg=plagioclasa, Seri= sericita
<HF
Fig. 8: Anf=Anfiboles, Clo=clorita, Esf=esfena
4IE
4IE
?DLG
Fig. 6: Cc=calcita, Car=carbonatos
5HJ
<HF
5HJ
?DLG
5B
6ME
;@%,N
;@%,N
5AL
5B
;@% )(N
G^RP |V]TPb 7dPai^%\^]i^SX^aXcP P]UXQ^[&% Co qj] nk_] cja]
del]^eo]h) `a patpqn] lknbenpe_] dele`ekiknbe_] `a cn]jk ia`ek ] bejk
_kj ]hcqjko bajk_neop]hao `a lh]cek_h]o] u ]jbe^khao) `a _khkn l]n`k
cneo _ak aj bn]_pqn] bnao_] u cneo nko _ak aj oqlanbe_ea ]hpan]`]+
J] _kilkoe_e j iejan]h ce_] `apaniej]`] lkn ]j heoeo ik`]h ^]fk
ah ie_nko_klek) `ek hko oecqeajpao naoqhp]`ko7 Aq]nvk 3 ] ./ # aj
_neop]hao ]jda`n]hao `a cn]jk bejk `a -). { -)1 ii+ Mnpk_h]o]
%ie_nk_hej]*knpko]& ./ ] /-# _neop]hao oq^da`n]hao ] aqda`n]hao
`a -)2ii+ Nh]cek_h]o] o `e_] %]h^ep]*kheck_h]o]& 0- ] 32##_neop]hao
oq^da`n]hao `a -)2 ii %Dec+ L 4&+
?jb^khao aj _neop]hao `a -)2 ii ] -)5 ii oq^da`n]hao aj qj]
_]jpe`]` `a .2#+ Nenep] i]oer]) `eoaiej]`] aj qj .)2#) aobaj] u
kpnko iejan]hao ]__aokneko ]hpan]`ko aj 0#%^ekpep]) _hknep]) al`kp])
oane_ep]&+ Jko iejan]hao ]hpan]`ko oa aj_qajpn]j aj h] oqlanbe_ea `a
hko iejan]hao aoaj_e]hao) `ajpnk `a hko lh]jko `a _her]fa) bn]_pqn] u
aj hko ^kn`ao `a hko _neop]hao `ah opk_g Goh] Coparao+ ?lhe_]j`k ah
`e]cn]i] `a GSEQ %.656& l]n] h] _h]oebe_]_e j u jkiaj_h]pqn] `a
h]o nk_]o cja]o ao qj _q]nvk ikjvk`eknepk ]jbe^kh+
DN^% <V^N[\RP% 3T\WJVMRV% )'(+2 HWT (- @ZW )1 ('. $ (()
J] al`kp] k_qnna _kik lamqa ko _neop]hao `a _khkn cneo*i]nn j u
`a naheara ]hpk aop j lnaoajpao aj bkni] `a cn jqhko ]eoh]`ko)
iqaopn] ]hpko _khknao `a ejpanbanaj_e] `a oacqj`k l]n] pan_an kn`aj
%Dec+ L 6&+ J] _hknep] ao `a ]ola_pk lh]_ke`a ] be^nkok `a _khkn
ran`a _h]nk ] ej_khknk aj je_khao l]n]hahko) ]h _nqv]n hko je_khao
lnaoajp] _khknao `a ejpanbanaj_e] ]j i]hko aj ia`ek `a hko
]jb^khao+ %Deco+ L 5 u.-&+
Jko kl]_ko aop j _kik _neop]hao oq^e`ekiknb]o ] ]hekpnkiknb]o `a
d ^epk cn]jqh]n `a cn]jk ia`ek ] bejk oa aj_qajpn]j `eolano]`ko
aj h] h iej]+ Mpnko aop j oqopepquaj`k ] hko ]jb^khao ] pn]r o `a
oqo lh]jko `a _her]fa+
Cteopa qj] ejpajo] ]hpan]_e j aj hko bah`aol]pko bkni]j`k oane_ep]8
aj hko ]jbe^khao oa k^oanr]j _hknep]o u hko kl]_ko d]j bkni]`k
te`ko bannkoko mqa pe aj ah iejan]h+
Fig. N° 9: Plg =plagioclasa, Epd=epidota
Fig. 10: Anf=anfíbol + Clo=clorita + Plg=
Plagioclasa
<HF
<HF
5HJ
6KC
4IE
<HF
;@%,N
<HF
5HJ
;@%,N
('0
>TR`PW 4LWNTYL% CZWLYOZ2[LdL 4LX[Z^
8>H7JH>xC
J] k_qnnaj_e] `a iap]_]n^kj]pko ]hpan]`ko oa `a^a ] h] k_qnnaj_e]
`ah opk_g _q]nvk ikjvk`eknep] mqa d] pn]jobkni]`k hko _]n^kj]pko
aj og]nj u _]h_ep] na_neop]hev]`k+ Copa iap]_]n^kj]pk oa _]n]_panev]
lkn _kjpajan _]n^kj]pko `a patpqn] cn]jk^h ope_] lkheckj]h naola_pk
] h]o _]hev]o ?u]^]_]o mqa peaja qj] patpqn] ie_npe_] %Dec+ L 3&+
Co `a _kjk_eieajpk mqa ah _na_eieajpk `a hko _neop]hao `a patpqn]
ie_npe_] ] cn]jk^h ope_] aj _]n^kj]pko oa `a^a ] qj pelk `a
iap]iknbeoik `a cn]`k ^]fk %@aop) K+) /--0&+ J]o nk_]o
iap]i nbe_]o nabhaf]j h] r]ne]^ehe`]` `ah naceopnk oa`eiajp]nek u lkn
aok ej_hq uaj `ao`a i nikha o lqnko d]op] qj ] c]i] `a
iap]oa`eiajp]neko _kj lnklkn_ekjao r]ne]^hao `a _]n^kj]pko
`ajkiej]`ko _kik _]h_koehe_ pe_ko u og]njo %ao_]njepko& okj qj]
r]nea`]` `a nk_]o _]h_koehe_ pe_]o bkni]`ko lkn h] ejpan]__ekjao
iap]oki pe_]o ajpna i nikhao u i]pane]hao oehe_ pe_ko %W]n`hau) @+U+
.656&+
Cj ah ]j heoeo lapnkiejan]h ce_k `ah opk_g eoh] Coparao oa `apaniej
.1# `a _q]nvk) 3/#lh]cek_h]o]o) /0#`a bah`aol]pko) mqa oac j
ah ]j heoeo ik`]h cn]be_]`k aj ah `e]cn]i] `a GSEQ %Ja @]o) K+H+ $
Qpna_gaeoaj)?+J+).66.&_knnaolkj`a ] qj] nk_] _q]nvk ikjvk`eknep]
]jbe^kh+ Ch paniejk ikjvkjep] bqa bef]`k lkn GSEQ %Ja @]o) K+H+ $
Qpna_gaeoaj)?+J+%.66.& _qu] lnklkn_e j `a _q]nvk ao ejbanekn ]h 2#)
oe h] lnklkn_e j ao `a 2 ] /-#na_e^a ahjki^na `a _q]nvk*ikjvkjep]
u h] lnklkn_e j ajpna hko iejan]hao `a bah`aol]pko u lh]cek_h]o]
`a^aj oan oeieh]nao8 ]h ]qiajp]n h] lh]cek_h]o] _knnaolkj`a ] qj]
ikjvk`eknep]) _quk amqer]hajpa rkh_ je_k ao h] h]pep]+ %K]_gajvea
ap]h+) .663&+ Akik iejan]hao oa_qj`]neko eilknp]jpao _kjpeaja ah
]jb^kh `a _khkn ran`a ejpajok l]n] ran`a kher]+ Ch nabane`k _khkn)
oac j Baan %.660& ao _]n]_panope_k `a h] r]nea`]` ]_pejkhep] ne_k aj
Da) _kj qj bqanpa lhak_nkoik `a^e`k ]h _kjpaje`k `a deannk+ ?o
ieoik lnaoajp] _neop]hao ]jda`n]hao ] oq^da`n]hao `a d ^epk
_khqij]n) ]_e_qh]n l]n] be^nkok) _kj naheara ik`an]`k l]n] ]hpk
lkoeperk mqa ao _]n]_panope_k `a hko ]jb^khao `a h] Goh] Coparao+
Cop]o ]_pejkhep]o aop j bqanpaiajpa ]hpan]`]o l]n] _hknep]o %Dec+ L
5 u .-&+
J]o _hknep]o okj iqu oaiaf]jpao ] h]o ie_]o) `ebanaj_e j`koa
aopnq_pqn]hiajpa lknmqa lkoaaj qj] _]l] k_p] `ne_] atpn] aj h]
ejpan_]l]) okj mqie_]iajpa _kilhafko `a^e`k ] qj] oanea `a
oqopepq_ekjao aj h]o _]l]o papn] `ne_]o u aj h]o `ko _]l]o
k_p] `ne_]o %Baan) ap ]h+) .660&+ J]o _hknep]o `a h] Goh] Coparao okj
`a _khkn ran`a kher] ] ej_khknk) `a d ^epk h]iej]n) be^nkok _kj _khknao
`a ejpanbanaj_e] ]j i]hko `a ]vqh rekhap] mqa _kj_qan`]j _kj hko
`ao_nepko lkn P]epd) ap ]h+) %/-./&+
J] k_qnnaj_e] `ah opk_g ao ]pne^qe`] ]h oeopai] `a b]hh]o `ajkiej]`k
ACJJ? %Aknna`kn aopnq_pqn]h J]cqjehh]o) J]n]mqane ?^]nk]&) mqa
_knnaolkj`a ] qj] vkj] pn]jo_qnnajpa `at pn]h) ]j_d] `a
]lnktei]`]iajpa `a 1- ] 5- gi) `kj`a oa ailh]v]nkj h]o nk_]o
rkh_ je_]o u lhqp je_]o `ah cnqlk R]_]v] %Qailana ap) ]h+) /---&+
Copa da_dk knecej vkj]o `a `a^ehe`]`ao ejpn] a ejpan ^hkmqao lkn
hko _q]hao o]heankj hko i]ci]o _]h_k]h_]hejko `alkoep j`koa aj ah
oa_pkn jknpa `a h] eoh] Coparao+
Bao`a ah lqjpk `a reop] i]ci pe_k) hko lanek`ko `a ajbne]ieajpk u
_neop]hev]_e j `]j _kik naoqhp]`k h] o]pqn]_e j `a ahaiajpko
rkh pehao _kik ]cq]) `e te`ko `a ]vqbna mqa okj pn]jobane`ko l]n]
h] b]oa rkh peh) _qu] `aoc]oebe_]_e j `a oqop]j_e]o rkh pehao
(('
i]ci pe_]o `]j knecaj ] ejpnqoekjao lknbenpe_]o iejan]hev]jpao) u
cn]j`ao rkh iajao `a cn]jepko aj lnkbqj`e`]`ao lnk`q_e`ko lkn
bhqe`ko i]ci pe_ko*de`nkpani]hao ajnemqa_e`ko aj ]vqbna) _hknk)
_k^na u knk %Ad]i^abknp) ap]h) /-.0&+ Ch ejpnqoerk `a h] Goh] Coparao
lnaoajp] l]np_qh]o `a iejan]hao oqhbqn]`ko _kik lenep]) lnaoaj_e]
`a ]jb^khao u og]nj) lkn hk mqa ej`e_]iko mqa aopko i]ci]o an]j
rkh pehao+
J] _]n]_panev]_e j lapnkcn be_] `a h] Goh] Coparao jko ej`e_] hko
`ebanajpao pelko `a nk_]o ateopajpao) eilknp]jpa l]n] aopq`eko
]_]` ie_ko) ]o_kik jk ]lpk l]n] qoko knj]iajp]hao `ah _q]nvk
ikjvk`eknep] ]jb^kh lkn h] lnaoaj_e] `a ]hcqjko iejan]hao `a
oqhbqnko ] lao]n `a ^hkmqao rkhqi pne_ko+
7DC7AJH>DC9H
Ch ^]o]iajpk nk_kok `a h] Goh] Copa^ao aop _kjopepqe`] lkn nk_]o
_]n^kjp]`]o `ah pelk iq`aopkja `a patpqn] ie_npe_] ] aol]np] u aj
ah _kjp]_pk `ah ejpnqoerk _kj ah oa`eiajp]nek aop j ]hpan]`]o l]n]
iap]_]h_koehe_]pko `a patpqn] cn]ejopkja _kik og]nj+
Ch opk_g cjak ejpnqoerk bqa `apaniej]`k _kik _q]nvk ikjvk`eknep]
]jbe^kh `a patpqn] lknbenpe_]) `kj`a oqo _kilkjajpao iejan]h ce_ko
`a _q]nvk bejk aop ejpan_na_e`k ajpna hko bah`aol]pko u lh]cek_h]o]
bqanpaiajpa ]hpan]`] l]n] oane_ep]o8 hko ]jb^khao iqaopn]j qj]
patpqn] _qiqh pe_] ]hpan]`] l]n] _hknep]o u ale`kp]o _kj lnaoaj_e]
`a iejan]hao kl]_ko+
Ch i]ci]peoik mqa knecejk ah opk_g ejpnqoerk lhqp je_k ao
_]h_k]h_]hejk ajnemqa_e`k aj ahaiajpko rkh pehao _kik ]vqbna) deannk)
bkni]j`k iej o_qhko cn]jko `a lenep]) ]noajklenep]+
5<G5897>B>9CIDH
Jko ]qpknao atlnao]j oq ]cn]`a_eieajpk ]h at _khac] Bn+K]nek Qkpk
Ek`ku) lkn oq ]lknpa u ha_pqn] _npe_] `ah ejbknia `a ejraopec]_e j
lnaoajp]`] aj /-.-+ ?h K+ Q_+ Ekjv]hk A]njank Eqvi j lkn h]
ha_pqn] u _knna__ekjao `ah ]^opn]_pl]n] h] lq^he_]_e j `ah lnaoajpa
]np_qhk+ R]i^e j oa iaj_ekj] ] h] aopq`e]jpa Fau`e Fkhcqej
Aqpei^k lkn oq ]lkuk aj `ecep]hev]_e j `a h]o becqn]o u i]l]o+
6>6A>D<G5;>5
?B?KQ ?+C+ U+Q+ K?AICLXGC ?LB ESGJDMPB %.664&) ?ph]o `a
nk_]o oa`eiajp]ne]o) K]ookj Q+?+ Jei]+
@CQR) K+ %/--0&+ GELCMSQ ?LB KCR?KMPNFGA NCRPMJMEW
Qa_kj` C`epekj) @h]_gsahh Nq^heodejc+
A?JJMR) N+) A?PJMRRM) T+) MBMLLC) D+) $ QCKNCPC) R+) %/--3&+
Nnk_aoko aj ah aopq`ek `a h] bkni]_e j ?u]^]_]o) ej VGGG
Akjcnaok Nanq]jk `a Eakhkc]) Pao iajao atpaj`e`ko)
QEN+ ?__ao ]`k /2 *-5*.1 + sss+ejcaii ap+ck^ +la,
lq^he_]_ekjao ,A]l6*Rn]^.+l`b+
A?PJGCP E+) A?PJMRRM) T+) JMP?LB) H+*N+JGCECMGQ) H+*N+)
DMPL?PG) K+ QMJCP) N+) $ A?PBCL?Q) H+ %/-./&+
K]ci]peoik u aopnq_pqn]o _ajkvke_]o aj ah ?hpelh]jk Qqn
Nanq]jk7 Gilhe_]j_e]o Eak`ej ie_]o+ VGGG Akjcnaok
Nanq]jk `a Eakhkc]+ Pao iajao Ctpaj`e`ko Qk_ea`]`
Eakh ce_] `ah Nan +
AF?K@CDMPR) G+) BGJJCQ) H+F+)?LB JMLEM)?+ %/-.0&)?ilde^kha
Eak_daieopnu kbpda W]j]_k_d] Tkh_]je_o) Nanq7 Cre`aj_a
DN^% <V^N[\RP% 3T\WJVMRV% )'(+2 HWT (- @ZW )1 ('. $ (()
42C24E6C;K24;p? A6EC@8Cm7;42 56 =2D C@42D 56 =2 ;D=2 6DE6G6D AF?@
bkn Beranoa Qkqn_ao kb K]ci]pe_ Tkh]pehao Pah]pa` pk Ekh`
Mnao) Hkqnj]h kblapnkhkcu) rkhqia 21) jqi^an 2 l]cao .-.4
{ .-13+
BCCP) U+?+) FMUGC) P+?+ $ XSQQK?L) H+ %.660&+ Ahknep]) Rnaikhep]
{ Dannk]_pejkhep] ej ?j ejpnk`q_pekj pk pda nk_g { bkniejc
iejan]ho) Qacqj`] a`e_e j+ Jkci]j Q_eajpebe_ $ pa_deje_]h+
IJCGL) A+ $ FSPJ@SR) A+Q+ %.660&+ Gjkoehe_]pko) cnqlk ]jb^khao+
Gj K]jq]h kb Kejan]hkcu) /.op C`epekj+ Hkdj Uehau $ okjo)
GLA+ SQ?+
IJGLI) @+ ?+) CJJGQML) P+ ?+) N?J?AGMQ) M+) F?UIGLQ) K+ N+) BC
J? APSX) H+ $BC J? APSX) L+) .66.+ Eakhkc] `a h]
Akn`ehhan] M__e`ajp]h u ?hpelh]jk ]h kaopa `ah J]ckRepe_]_])
Qqn `ah Nan + @kh+ GLECKKCR) j 1/) /20l+
JC @?Q) K+H+ $ QRPCAICGQCL) ?+J+%.66.&+ Rda GSEQ ouopai]pe_o
kbecjakqo nk_go+ Hkqnj]h kbpda Eakhkce_]h Qk_eapu) Jkj`kj)
Tkh+ .15) .66.) ll+ 5/2*500) ?__ao]`k ah /4*-5*.1+
sss+qp`]hh]o+a`q,nk_g+
K?AICLXGC U+Q+ BML?JBQML A+F+ ?LB ESGJDMPB A+ %.663&)
?ph]o `a nk_]o ecja]o u oqo patpqn]o+ K]ookj Q+?+ Jei]+
P?GRF) K+K+ P??QC) N+ $ PCGLF?PBR) H+ %/-./& Eq] l]n] h]
ie_nko_kle] `a iejan]hao aj h iej] `ahc]`]+ Beolkje^ha
DN^% <V^N[\RP% 3T\WJVMRV% )'(+2 HWT (- @ZW )1 ('. $ (()
aj
sss+iejok_] i+knc,i o],+
,
Rdej[Q_pj[K_no_lu[/[lnjp[olj+l`b+
Q?LAFCX) W+H+) J?EMQ) K+?+) H?A?W F+H+ W AF?A?JR?L?) @+A+
%/--1&+ P ceiaj `a oa`eiajp]_e j aj _qaj_]o `eopajoer]o+
J]o _]hev]o ]u]^]_]o `qn]jpa ah _nap _e_k oqlanekn %vkj]o
`a Gh]ra) ?_kn])?u]^]_]o) K]vk Anqv& q^e_]`]o aj ah oqn
`ah Nan + Pareop] SLKQK) Jei]+ ?__ao]`k ah /2*-5*.1+
sss+oeo^e^+qjioi+a`q+la, ^e^renpq]h`]p],lq^he_]_ekjao,
cakhkce],+++,]-4+l`b+
QCKNCPC) R+) H?A?W H+) A?PPGJJM K*?+) EMK•X N+) MBMLLC
D+ $ @GP?@CL T+ %/---^& A]n]_panope_]o u E jaoeo `a h]
Dkni]_e j ?u]^]_]o %Bal]np]iajpko `a Nqjk u Aqo_k&+
@khapj `a h] Qk_ea`]` Eakh ce_] `ah Nan ) R+ 6-) l7 36*43+
QCKNCPC) R+) DMPL?PG) K+) K?K?LG) K+) A?JAGL?) K+)
ASCJJ?P) ESCT?P?) C+) K?AF?A?) L+ MBMLLC) D+)
N?JMKGLM) D+ $ PMBPGESCX) P+ %/---&+ ?r]j_ao
cakh ce_ko aj ah oqn `ah`al]np]iajpk `a Nqjk+ V _kjcnaok
Nanq]jk `a Eakhkc]+ Pao iajao) Qk_ea`]` Eakh ce_]
`ah Nan l7 20+
W?PBJCW @PSAC U+B+ %.661&+ Gjpnk `q_]k ] lapnkhkc]
iap]i nbe_]+ C`qj^) C`epkn] Sjeranoe`]`a `a @n]oehe]+
(((
(()
DN^% <V^N[\RP% 3T\WJVMRV% )'(+2 HWT (- @ZW )1 ('. $ (()
